So here’s what you get when you throw down for Parmesan Cheese Pasta Roni. After you take out the all-important but pretty small natural flavoring packet, you’re left with what you see below. Is this what they call “slack fill,” or “the difference between the actual capacity of a container and the volume of product contained therein“?

You make the call.

California Business And Professions Code BPC Section 12606 has a few things to say about these matters.